CN220152832U - Three-sided visual heating fireplace - Google Patents

Abstract

The utility model discloses a three-sided visual heating fireplace, which comprises a furnace body, wherein a combustion chamber is arranged in the furnace body; the front end and two sides of the furnace body are provided with observation ports for observing the combustion chamber, and observation glass is respectively adapted to the observation ports; the furnace body is internally provided with a burning material used for isolating the combustion chamber and an anti-scalding structure of the observation glass, the anti-scalding structure comprises an anti-scalding piece arranged along the extending direction of the front end and two sides of the furnace body, the anti-scalding piece is connected to the furnace body through a plurality of connecting pieces and is arranged above the bottom end of the furnace body. The observation ports are arranged at the front end and two sides of the furnace body, so that the heat radiation area of the heating fireplace is increased, and the heating effect is improved; and moreover, the anti-scalding structure is arranged to isolate the observation glass from combustion materials in the combustion chamber, so that the temperature of the observation glass and the periphery of the observation glass is reduced, and the observation glass is safer.

Description

Three-sided visual heating fireplace

Technical Field

The utility model relates to the technical field of fireplaces, in particular to a three-sided visible heating fireplace.

Background

At present, the wood-burning fireplace on the market basically adopts a heating mode of glass surface radiation. This disadvantage is: when a user sits down the fireplace, only the person sitting in front of the fireplace can fully feel the radiation caused by the flame combustion. And people sitting on two sides of the fireplace cannot fully feel heat radiation, so that the use experience is reduced.

Disclosure of Invention

First, the technical problem to be solved

The technical problem to be solved by the utility model is to provide the three-sided visual heating fireplace, wherein the front end and the two sides of the heating fireplace are provided with the observation openings, so that the heat radiation area of the heating fireplace is increased, and the heating effect is improved; moreover, the anti-scalding structure (2) is arranged to isolate the observation glass from combustion materials in the combustion chamber, so that the temperature of the observation glass and the periphery of the observation glass is reduced, and the observation glass is safer.

(II) technical scheme

The utility model solves the technical problems by adopting a scheme that the three-sided visible heating fireplace comprises a furnace body, wherein a combustion chamber is arranged in the furnace body; the front end and two sides of the furnace body are provided with observation ports for observing the combustion chamber, and observation glass is respectively adapted to the observation ports; the furnace body is internally provided with a burning material used for isolating the combustion chamber and an anti-scalding structure of the observation glass, the anti-scalding structure comprises an anti-scalding piece arranged along the extending direction of the front end and two sides of the furnace body, the anti-scalding piece is connected to the furnace body through a plurality of connecting pieces and is arranged above the bottom end of the furnace body.

By adopting the scheme, the observation ports are arranged at the front end and two sides of the furnace body, so that the heat radiation area of the heating fireplace is increased, and the heating effect is improved; and moreover, the anti-scalding structure is arranged to isolate the observation glass from combustion materials in the combustion chamber, so that the temperature of the periphery of the observation glass is reduced, and the observation glass is safer.

Furthermore, the heat insulation pads are arranged at the bottom end and the rear side of the furnace body, so that the temperature of the furnace body at the peripheral structure of the observation port is further reduced, and the furnace is safer.

Further, the furnace body comprises an inner box body formed by combining four peripheries and an outer box body arranged outside the inner box body; the outer box body comprises heat insulation shells arranged on two sides, and a heat insulation space is formed between the heat insulation shells and the inner box body at intervals.

Specifically, the two sides of the inner box body and the outer box body are oppositely provided with the observation openings, and the observation glass is arranged on the observation openings on the inner box body; due to the arrangement of the heat insulation space, the surface temperature on the heat insulation shell is further reduced, and the heat insulation shell is safer.

Further, an air duct is formed between the outer box body and the inner box body; the outer box is located its front end and both sides all are provided with the intercommunication wind channel and outside open end, the rear side of interior box is provided with the air feed and flows and get into the first vent of combustion chamber, the top of interior box is provided with the air feed and flows through getting into the second vent of combustion chamber.

Preferably, the outside of interior box still is provided with and is used for connecting interior box with the connecting plate of outer box, the bottom of connecting plate is uncovered to be set up, and surpasses the bottom of interior box, so that the bottom of interior box with the bottom of outer box has certain clearance, in order to form the open end, just be close to of connecting plate the open end department has many fretwork, and the air feed flows into.

Further, a heat insulation plate is arranged between the outer box body and the inner box body, and the air channel is formed between the heat insulation plate and the inner box body; the bottom of the heat insulating plate is provided with a ventilation opening part, the heat insulating plate is connected with an air port adjusting part for adjusting the opening size of the ventilation opening part, and the ventilation opening part can be communicated with the opening end and the air duct.

Specifically, the air flow enters from the opening end, enters the air duct through the ventilation opening part, and then enters the combustion chamber through the first ventilation opening and the second ventilation opening, so that sufficient oxygen can be provided for combustion of combustion materials, the combustion materials are ensured to be fully combusted, and the air conditioner is energy-saving and environment-friendly; meanwhile, the second ventilation opening is positioned above the combustion chamber and can form a call with the first ventilation opening at the rear side of the inner box body, so that ventilation in different directions is realized, the uniformity of air flow is improved, and the ventilation effect is ensured.

Further, the air port adjusting piece is connected to the heat insulation plate in a sliding manner, wherein a sliding groove is formed in the air port adjusting piece, a fixed shaft which is matched in the sliding groove is correspondingly arranged on the heat insulation plate, and the sliding groove is formed along the extending direction from the front end to the rear side of the furnace body; the heat insulation plate slides from the front end of the furnace body towards the rear side direction of the furnace body, and the opening of the ventilation opening part is from large to small; the rear side of the furnace body of the heat insulating plate slides towards the front end direction of the furnace body, and the opening of the ventilation opening part is from small to large; when the outer end of the sliding groove is abutted against the fixed shaft, the ventilation opening part is completely closed to isolate air flow so as to extinguish flame of burning materials; when the inner end of the chute is opened on the fixed shaft in a low way, the ventilation opening part is completely opened, and the airflow is increased, so that the flame of burning materials is more vigorous; through the structure, the combustion condition of the combustion materials can be controlled, and the combustion device is more convenient to adapt to different environments.

Further, the inner box body is provided with an air deflector near the second air vent, the air deflector is formed by inclining the inner box body towards the direction near the outer box body, and a gap for air flow to pass through is formed between the air deflector and the outer box body.

Specifically, the air flow is blown to the wall furnace door through the inclined air deflector, so that the observation glass of the wall furnace door can be effectively prevented from being smoked black, and the whole tidy and attractive appearance of the heating fireplace is ensured.

Further, the outer box body comprises a fireplace door which is arranged at the front end of the inner box body, one end of the fireplace door is rotatably connected with the inner box body, and the other end of the wall furnace door is connected with the inner box body through a locking mechanism.

Further, the locking mechanism comprises

A first latch member fixed to the oven door;

a second locking piece rotatably connected to the first locking piece;

the first elastic piece is connected between the first locking piece and the second locking piece;

the second locking piece is provided with a locking groove with an open top, and correspondingly, the inner box body is provided with a clamping protrusion matched and locked with the locking groove; the two sides of the top end of the second locking piece are provided with a first locking part and a second locking part which are arranged at intervals, the locking groove is formed on the second locking piece between the first locking part and the second locking part, the first locking part is relatively close to the fireplace door, the second locking part is relatively close to the inner box body, and the first locking part is relatively higher than the second locking part;

the unlocking piece is rotatably connected to the bottom end of the wall furnace door, one end of the unlocking piece extends out of the fireplace door to form an operation part, the other end of the unlocking piece is positioned at one side of the fireplace door facing the inner box body to form an abutting part, and the rotary connection part of the unlocking piece and the fireplace door is positioned between the operation part and the abutting part; and when the operating part is operated to drive the unlocking piece to rotate, the abutting part rotates in a direction away from the wall furnace door, and the fireplace door is driven to move in a direction away from the inner box body, so that the second locking piece is separated from the clamping protrusion.

Preferably, a second elastic member is further connected between the unlocking member and the fireplace door so as to reset the unlocking member, so that when the fireplace door is closed, the abutting portion of the unlocking member does not interfere with the closing between the wall furnace door and the inner box body.

More preferably, the locking protrusion is of a rotatable structure, so that the second locking member can be smoothly locked into and released from the locking protrusion, and the locking protrusion is smooth.

Specifically, when the fireplace door is in a state of being separated from the inner box body, the second locking piece is obliquely arranged relative to the second locking piece, and the top end of the second locking piece is obliquely arranged towards the direction of the inner box body, so that the top end opening of the locking groove faces the clamping protrusion, and the second locking part is relatively positioned below the clamping protrusion; the fireplace door is pushed, the second locking piece approaches to the clamping protrusion until the second locking part abuts against the clamping protrusion, the second locking piece is driven to rotate relative to the first locking piece until the clamping protrusion is clamped in a locking groove between the first locking part and the second locking part, and at the moment, the second locking piece is arranged in parallel relative to the first locking piece;

when the operating part of the unlocking piece is pulled, the unlocking piece rotates to drive the abutting part to rotate, and as the abutting part abuts against the inner box body, the fireplace door is driven to move outwards in the rotating process, and in the process, the second locking piece is driven to rotate relative to the first locking piece, so that the second locking piece is downwards separated from the clamping protrusion, and the fireplace door can be unlocked from the inner box body to open a wall furnace door.

Further, a smoke outlet is formed in the top end of the inner box body, and a flue which is communicated with the smoke outlet and used for leading out smoke in the combustion chamber is arranged on the outer box body.

(III) beneficial effects

Compared with the prior art, the utility model designs a three-sided visual heating fireplace,

(1) The observation ports are arranged at the front end and two sides of the furnace body, so that the heat radiation area of the heating fireplace is increased, and the heating effect is improved; moreover, the anti-scalding structure is arranged to isolate the observation glass from combustion materials in the combustion chamber, so that the temperature of the observation glass and the periphery of the observation glass is reduced, and the observation glass is safer;

(2) The heat insulation space is arranged, so that the surface temperature on the heat insulation shell is further reduced, and the heat insulation shell is safer;

(3) According to the furnace body, air flow enters from the opening end, enters the air duct through the ventilation opening part, and then enters the combustion chamber through the first ventilation opening and the second ventilation opening, so that sufficient oxygen can be provided for combustion of combustion materials, the combustion materials are ensured to be fully combusted, and the furnace body is energy-saving and environment-friendly; meanwhile, the second ventilation opening is positioned above the combustion chamber and can form a correspondence with the first ventilation opening at the rear side of the inner box body, so that ventilation in different directions is realized, the uniformity of air flow is improved, and the ventilation effect is ensured;

(4) The utility model is provided with the air port adjusting piece, so that the combustion condition of combustion materials can be controlled, and the utility model is more convenient to adapt to different environments;

(5) According to the utility model, the air flow is blown to the wall furnace door through the inclined air deflector, so that the observation glass of the wall furnace door can be effectively prevented from being smoked black, and the whole tidy and beautiful appearance of the heating fireplace is ensured;

(6) One end of the wall furnace door is connected with the inner box body through the locking mechanism, and the wall furnace door is simple in structure, convenient to operate and safer.

Drawings

FIG. 1 is a schematic view of a three-sided visual heating fireplace of the present embodiment;

FIG. 2 is a cross-sectional view of a three-sided visible heating fireplace of the present embodiment;

FIG. 3 is another schematic view of a three-sided visible heating fireplace of the present embodiment;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 3;

FIG. 6 is a schematic view of a three-sided visible heating fireplace (embodying the tuyere adjusting piece) according to the present embodiment;

FIG. 7 is an enlarged schematic view of FIG. 6 at C;

FIG. 8 is an enlarged schematic view of FIG. 6 at D;

FIG. 9 is a schematic view of a three-sided visible heating fireplace (embodying a locking mechanism) according to the present embodiment;

FIG. 10 is an enlarged schematic view of FIG. 9 at E;

FIG. 11 is a schematic view of a three-sided visible heating fireplace (embodying unlocking pieces) of the present embodiment;

fig. 12 is an enlarged schematic view of fig. 11 at F.

Reference numerals illustrate: 1. a furnace body; 11. a combustion chamber; 12. an observation port; 13. a heat insulating mat; 14. an inner case; 141. a first vent; 142. a second vent; 143. an air deflector; 144. a clamping protrusion; 145. a smoke outlet; 146. a connecting plate; 15. an outer case; 151. a heat insulating housing; 152. an open end; 153. a wall oven door; 154. a flue; 16. a heat insulation space; 17. a heat insulating plate; 171. a ventilation opening portion; 172. a fixed shaft; 2. an anti-scalding structure; 21. an anti-scalding member; 22. a connecting piece; 3. an air duct; 4. an air port adjusting member; 41. a chute; 5. a locking mechanism; 51. a first locking piece; 52. a second locking piece; 521. a latch groove; 522. a first locking part; 523. a second locking part; 53. a first elastic member; 6. an unlocking member; 61. an operation unit; 62. an abutting portion; 63. and a second elastic member.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

This embodiment:

as shown in fig. 1-12, the three-sided visible heating fireplace of the embodiment comprises a furnace body 1, wherein a combustion chamber 11 is arranged inside the furnace body 1; the front end and two sides of the furnace body 1 are provided with observation ports 12 for observing the combustion chamber 11, and observation glass is adapted to the observation ports 12; the furnace body 1 is internally provided with an anti-scalding structure 22 for isolating combustion materials of the combustion chamber 11 and observation glass, the anti-scalding structure 22 comprises an anti-scalding piece 21 arranged along the extending direction of the front end and two sides of the furnace body 1, and the anti-scalding piece 21 is connected to the furnace body 1 through a plurality of connecting pieces 22 and is arranged above the bottom end of the furnace body 1. By adopting the scheme, the observation ports 12 are arranged at the front end and two sides of the furnace body 1, so that the heat radiation area of the heating fireplace is increased, and the heating effect is improved; moreover, the anti-scalding structure 22 is arranged to isolate the observation glass from combustion materials in the combustion chamber 11, so that the temperature of the periphery of the observation glass is reduced, and the observation glass is safer.

Furthermore, the heat insulation pads 13 are arranged at the bottom end and the rear side of the furnace body 1, so that the temperature of the furnace body 1 at the peripheral structure of the observation port 12 is further reduced, and the furnace is safer. Further, the furnace body 1 includes an inner box 14 formed by combining four peripheries, and an outer box 15 disposed outside the inner box 14; wherein the outer case 15 includes a heat insulation case 151 disposed at both sides, and a heat insulation space 16 is formed between the heat insulation case 151 and the inner case 14 at intervals. Specifically, the two sides of the inner case 14 and the outer case 15 are oppositely provided with the observation openings 12, and the observation glass is arranged on the observation openings 12 on the inner case 14; the provision of the insulating space 16 further reduces the surface temperature of the insulating housing 151, and is safer.

Further, an air duct 3 is formed between the outer case 15 and the inner case 14; the front end and two sides of the outer box 15 are respectively provided with an opening end 152 which is communicated with the air duct 3 and the outside, the rear side of the inner box 14 is provided with a first ventilation opening 141 through which air flows into the combustion chamber 11, and the top end of the inner box 14 is provided with a second ventilation opening 142 through which air flows into the combustion chamber 11. Further, a smoke outlet 145 is provided at the top end of the inner case 14, and a flue 154 penetrating the smoke outlet 145 and guiding out smoke in the combustion chamber 11 is provided on the outer case 15. Preferably, the outer part of the inner case 14 is further provided with a connection plate 146 for connecting the inner case 14 and the outer case 15, the bottom of the connection plate 146 is opened and arranged beyond the bottom of the inner case 14, so that a certain gap is formed between the bottom of the inner case 14 and the bottom of the outer case 15, the open end 152 is formed, and a plurality of hollow parts are arranged at the position, close to the open end 152, of the connection plate 146, and air flows enter. Further, a heat insulation plate 17 is arranged between the outer box body 15 and the inner box body 14, and the air duct 3 is formed between the heat insulation plate 17 and the inner box body 14; wherein, the bottom of the heat insulating plate 17 is provided with a ventilation opening 171, the heat insulating plate 17 is connected with a tuyere adjusting member 4 for adjusting the opening size of the ventilation opening 171, and the ventilation opening 171 can communicate the opening end 152 with the air duct 3. Specifically, the air flow enters from the opening end 152, enters the air duct 3 through the ventilation opening 171, and then enters the combustion chamber 11 through the first ventilation opening 141 and the second ventilation opening 142, so that sufficient oxygen can be provided for combustion of the combustion material, the combustion material is ensured to be fully combusted, and the energy conservation and the environmental protection are realized; meanwhile, the second ventilation opening 142 is located above the combustion chamber 11 and can form a correspondence with the first ventilation opening 141 at the rear side of the inner box 14, so that ventilation in different directions is realized, uniformity of air flow is improved, and ventilation effect is ensured. Further, the tuyere adjusting member 4 is slidably connected to the heat insulation plate 17, wherein a chute 41 is provided on the tuyere adjusting member 4, and correspondingly, a fixed shaft 172 adapted to the chute 41 is provided on the heat insulation plate 17, and the chute 41 is formed along the extending direction from the front end to the rear side of the furnace body 1; the heat shield 17 slides from the front end of the furnace body 1 toward the rear side of the furnace body 1, and the opening 152 of the ventilation opening 171 is from large to small; the rear side of the furnace body 1 of the heat insulating plate 17 slides towards the front end direction of the furnace body 1, and the opening end 152 of the ventilation opening 171 is from small to large; when the outer end of the chute 41 abuts against the fixed shaft 172, the ventilation opening 171 is completely closed to isolate the air flow to extinguish the flame of the combustion material; when the inner end of the chute 41 is opened at the fixed shaft 172, the ventilation opening 171 is completely opened, increasing the air flow so that the flame of the burning material is more vigorous; through the structure, the combustion condition of the combustion materials can be controlled, and the combustion device is more convenient to adapt to different environments. Further, the inner case 14 has an air deflector 143 near the second air vent 142, the air deflector 143 is formed by the inner case 14 being inclined toward the direction near the outer case 15, and a gap for air flow to pass through is provided between the air deflector 143 and the outer case 15. Specifically, the air flow is blown to the fireplace door 153 through the inclined air deflector 143, so that the black of the observation glass of the wall furnace door 153 can be effectively prevented, and the whole tidy and beautiful heating fireplace is ensured.

Further, the outer case 15 includes a fireplace door 153 disposed at a front end of the inner case 14 and having one end rotatably connected to the inner case 14, and the other end of the fireplace door 153 is connected to the inner case 14 through the latch mechanism 5. Further, the latch mechanism 5 includes a first latch member 51 fixed to the wall oven door 153; a second locking piece 52 rotatably connected to the first locking piece 51; a first elastic member 53 connected between the first locking member 51 and the second locking member 52; the second locking piece 52 is provided with a locking groove 521 with an open top, and the inner case 14 is provided with a locking protrusion 144 correspondingly locked with the locking groove 521; a first locking part 522 and a second locking part 523 which are arranged at intervals are arranged at two sides of the top end of the second locking piece 52, the locking groove 521 is formed on the second locking piece 52 between the first locking part 522 and the second locking part 523, the first locking part 522 is relatively close to the fireplace door 153, the second locking part 523 is relatively close to the inner box 14, and the first locking part 522 is relatively higher than the second locking part 523; an unlocking member 6 rotatably connected to the bottom end of the wall furnace door 153, one end of the unlocking member extends out of the wall furnace door 153 to form an operation portion 61, the other end of the unlocking member is positioned at one side of the fireplace door 153 facing the inner box 14 to form an abutting portion 62, and a rotational connection position of the unlocking member 6 and the fireplace door 153 is positioned between the operation portion 61 and the abutting portion 62; and, when the operating part 61 is operated to drive the unlocking piece 6 to rotate, so that the abutting part 62 rotates in a direction away from the wall furnace door 153, and drives the fireplace door 153 to move in a direction away from the inner box 14, so that the second locking piece 52 is separated from the clamping protrusion 144. Preferably, a second elastic member 63 is further connected between the unlocking member 6 and the fireplace door 153, so as to reset the unlocking member 6, so that the abutting portion 62 of the unlocking member 6 does not interfere with the closing between the fireplace door 153 and the inner case 14 when the fireplace door 153 is closed. More preferably, the locking protrusion 144 is rotatable, so that the second locking member 52 can be smoothly locked into and released from the locking protrusion 144, which is more smooth. Specifically, when the fireplace door 153 is in a state of being separated from the inner box 14, the second locking piece 52 is disposed obliquely with respect to the second locking piece 52, and the top end thereof is disposed obliquely toward the direction of the inner box 14, such that the top end of the locking groove 521 is open toward the locking protrusion 144, and the second locking portion 523 is located relatively below the locking protrusion 144; the fireplace door 153 is pushed, the second locking piece 52 approaches to the clamping protrusion 144 until the second locking portion 523 abuts against the clamping protrusion 144, the second locking piece 52 is driven to rotate relative to the first locking piece 51, and the clamping protrusion 144 is clamped in the locking groove 521 between the first locking portion 522 and the second locking portion 523, at this time, the second locking piece 52 is arranged in parallel relative to the first locking piece 51; when the operation portion 61 of the unlocking member 6 is pulled, the unlocking member 6 is rotated to drive the abutting portion 62 to rotate, and the abutting portion 62 abuts against the inner box 14, the fireplace door 153 is driven to move outwards during rotation, and the second locking member 52 is driven to rotate relative to the first locking member 51 during rotation, so that the second locking portion 523 is downward to be separated from the locking protrusion 144, and the fireplace door 153 can be unlocked from the inner box 14, and the wall furnace door 153 is opened.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (10)

1. A three-sided visual heating fireplace is characterized in that: the heating fireplace comprises a furnace body (1), wherein a combustion chamber (11) is arranged in the furnace body (1); the front end and two sides of the furnace body (1) are provided with observation ports (12) for observing the combustion chamber (11), and observation glasses are respectively adapted to the observation ports (12); wherein, be provided with in furnace body (1) be used for the isolation combustion material of combustion chamber (11) with sight glass prevents scalding structure (2), prevent scalding structure (2) including along prevent scalding piece (21) that set up on the front end and the both sides extending direction of furnace body (1), prevent scalding piece (21) are connected through a plurality of connecting pieces (22) furnace body (1) are last, and locate be located in furnace body (1) the top of its bottom.

2. A three-sided visual heating fireplace as claimed in claim 1, wherein: the furnace body (1) is internally provided with heat insulation pads (13) at the bottom end and the rear side.

3. A three-sided visual heating fireplace as claimed in claim 1, wherein: the furnace body (1) comprises an inner box body (14) formed by combining four peripheries and an outer box body (15) arranged outside the inner box body (14); the outer box body (15) comprises heat insulation shells (151) arranged on two sides, and heat insulation spaces are formed between the heat insulation shells (151) and the inner box body (14) at intervals.

4. A three-sided visual heating fireplace as claimed in claim 3 wherein: an air duct (3) is formed between the outer box body (15) and the inner box body (14); the outer box body (15) is located its front end and both sides all are provided with the intercommunication wind channel (3) and outside open end (152), the rear side of interior box body (14) is provided with air feed through get into first vent (141) of combustion chamber (11), the top of interior box body (14) is provided with air feed through getting into second vent (142) of combustion chamber (11).

5. A three-sided visual heating fireplace as claimed in claim 4 wherein: a heat insulation plate (17) is arranged between the outer box body (15) and the inner box body (14), and the air duct (3) is formed between the heat insulation plate (17) and the inner box body (14); wherein, the bottom of heat insulating board (17) is provided with ventilation opening (171), be connected with on heat insulating board (17) be used for adjusting opening size's of ventilation opening (171) tuyere regulating part (4), and, ventilation opening (171) can communicate open end (152) with wind channel (3).

6. A three-sided visual heating fireplace as claimed in claim 5, wherein: the air port adjusting piece (4) is connected to the heat insulation plate (17) in a sliding mode, a sliding groove (41) is formed in the air port adjusting piece (4), a fixed shaft (172) which is matched in the sliding groove (41) is correspondingly arranged on the heat insulation plate (17), and the sliding groove (41) is formed along the extending direction from the front end to the rear side of the furnace body (1); the heat insulating plate (17) slides from the front end of the furnace body (1) towards the rear side direction of the furnace body (1), and the opening end (152) of the ventilation opening (171) is from large to small; the heat insulation plate (17) slides towards the front end direction of the furnace body (1) at the rear side of the furnace body (1), and the opening end (152) of the ventilation opening (171) is from small to large.

7. A three-sided visual heating fireplace as claimed in claim 4 wherein: the inner box body (14) is close to the second air vent (142) and provided with an air deflector (143), the air deflector (143) is formed by the inclination of the inner box body (14) towards the direction close to the outer box body (15), and a gap for air flow to pass through is formed between the air deflector (143) and the outer box body (15).

8. A three-sided visual heating fireplace as claimed in claim 3 wherein: the outer box body (15) comprises a fireplace door (153) which is arranged at the front end of the inner box body (14) and one end of which is rotationally connected with the inner box body (14), and the other end of the fireplace door (153) is connected with the inner box body (14) through a locking mechanism (5).

9. The three-sided visual heating fireplace of claim 8, wherein: the locking mechanism (5) comprises

A first latch member (51) fixed to the wall oven door (153);

a second lock catch member (52) rotatably connected to the first lock catch member (51);

a first elastic member (53) connected between the first latch member (51) and the second latch member (52);

the second locking piece (52) is provided with a locking groove (521) with an open top, and correspondingly, the inner box body (14) is provided with a clamping protrusion (144) matched and locked with the locking groove (521); a first locking part (522) and a second locking part (523) which are arranged at intervals are arranged on two sides of the top end of the second locking piece (52), the locking groove (521) is formed on the second locking piece (52) between the first locking part (522) and the second locking part (523), the first locking part (522) is relatively close to the fireplace door (153), the second locking part (523) is relatively close to the inner box body (14), and the first locking part (522) is relatively higher than the second locking part (523);

an unlocking piece (6) which is rotatably connected to the bottom end of the wall furnace door (153) and one end of which extends out of the fireplace door (153) to form an operation part (61), the other end of which is positioned at one side of the fireplace door (153) facing the inner box body (14) to form an abutting part (62), and the rotating connection part of the unlocking piece (6) and the fireplace door (153) is positioned between the operation part (61) and the abutting part (62); and when the operating part (61) is operated to drive the unlocking piece (6) to rotate, the abutting part (62) rotates in a direction away from the wall furnace door (153), and the fireplace door (153) is driven to move in a direction away from the inner box body (14) so as to separate the second locking piece (52) from the clamping protrusion (144).

10. A three-sided visual heating fireplace as claimed in claim 3 wherein: the top of the inner box body (14) is provided with a smoke outlet (145), and the outer box body (15) is provided with a flue (154) communicated with the smoke outlet (145) and used for leading out smoke in the combustion chamber (11).